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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        
        div {
            width: 500px;
            height: 30px;
            line-height: 30px;
            margin: 0 auto;
            text-align: center;
            font-weight: bold;
        }
        
        #list {
            width: 500px;
            margin: 0 auto;
        }
        
        #list li {
            width: 500px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            font-size: 20px;
            color: #fff;
        }
        
        #list li.active:hover {
            background: goldenrod;
            cursor: pointer;
        }
    </style>
</head>

<body>
    <div>《诗经.桃夭》</div>
    <ul id="list">
        <li>桃之夭夭，灼灼其华</li>
        <li>宜其室家</li>
        <li>桃之夭夭，有蕡其实</li>
        <li>之子于归，宜其家室</li>
        <li>桃之夭夭，其叶蓁蓁</li>
        <li>之子于归，宜其家人</li>
    </ul>
    <script>
        //1.将ul的背景改成 ‘#2bb8aa’
        //2.将第一个li的背景改成‘pink’
        //3.给最后一个li添加上类名 ‘active’
        //4.将第二个li的内容开头补上‘之子于归，’
    </script>
</body>

</html>